The ingredient, explained
Hexamethyldisiloxane
Hexamethyldisiloxane is a small siloxane molecule with two silicon atoms joined through oxygen. It is a distinct material from the long silicone polymer chains called dimethicone.
Explore connectionsIngredient guide
What it is and what it does
About this ingredient: PubChem: Hexamethyldisiloxane identity ↗
A verified formulation role is not on file for this name.
Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.
A closer look
What the research shows
We have not yet published a checked study for this exact ingredient. This is a gap in our coverage, not a finding that research does not exist or that the ingredient is ineffective.
Ingredient research is not proof that a product containing this ingredient works.
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
- INCI name on ingredient lists
- Hexamethyldisiloxane
Sources for this ingredient record
- PubChem: Hexamethyldisiloxane identity ↗ · Recorded Sep 30, 2026
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026